confirming russian

• распи́ска

  Действие по глаг. расписать—расписывать

  A document with a signature confirming the receipt of something

• абонеме́нт

  subscription or season ticket

  the right to multiple or permanent use of something for a certain period as well as a document confirming this right

• подтвержда́ющий

  someone who is doing (подтвержда́ть)

  confirming